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Safety Information

T6381

Supelco

N,O-Bis(trimethylsilyl)trifluoroacetamide with trimethylchlorosilane

with 1% trimethylchlorosilane, for GC derivatization, LiChropur™

Synonym(s):

BSTFA + TMCS

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About This Item

Linear Formula:
CF3C[=NSi(CH3)3]OSi(CH3)3
CAS Number:
25561-30-2
Molecular Weight:
257.40
Beilstein:
2050024
MDL number:
MFCD00008269
UNSPSC Code:
12000000
PubChem Substance ID:
24900370
NACRES:
NA.22

grade

for GC derivatization

Quality Level

100

quality

LiChropur™
with 1% trimethylchlorosilane

contains

1% trimethylchlorosilane as additive

reaction suitability

reagent type: derivatization reagent
reaction type: Silylations

technique(s)

gas chromatography (GC): suitable

color

hazy clear to colorless

refractive index

n20/D 1.384 (lit.)

bp

45-50 °C/14 mmHg (lit.)

solubility

hexane: miscible 100 mg/mL

density

0.97 g/mL (lit.)

storage temp.

2-8°C

SMILES string

C[Si](C)(C)O\C(=N\[Si](C)(C)C)C(F)(F)F

InChI

1S/C8H18F3NOSi2/c1-14(2,3)12-7(8(9,10)11)13-15(4,5)6/h1-6H3/b12-7+

InChI key

XCOBLONWWXQEBS-KPKJPENVSA-N

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General description

N,O-Bis(trimethylsilyl)trifluoroacetamide with trimethylchlorosilane is a silylating reagent generally used in estrogenic steroid hormone identification and quantification.

Application

BSTFA+TMCS has been used as derivatizing reagent for GC-MS determination of natural and synthetic estrogenic steroids.

Packaging

Clear borosilicate glass, high hydrolytic resistance (Type I)
Sealed ampules contain 1 ml. Gram sizes are in screw-cap bottles.

Other Notes

The position of the silyl groups has not been unequivocally established. It has been referred to as both N,N and N,O.

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

related product

Product No.
Description
Pricing

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

Hazard Statements

H225,H315,H319

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2

WGK

WGK 3

Flash Point(F)

closed cup

Flash Point(C)

closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

危险化学品

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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